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    New(ish) sash windows - maintenance / refurb / repair.

    Thanks everyone for your input - feel much wiser, but still a bit unsure on exactly what to do. I'll post questions to your various responses, but all very much appreciated.
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    New(ish) sash windows - maintenance / refurb / repair.

    Thanks Jacob Is there any particular benefit of putty over a bead (or visa-versa)? D
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    New(ish) sash windows - maintenance / refurb / repair.

    Thanks Silfi Yes - the 'how to repair' (when I have established what repair to make) is a good question! At present, I have bought and fitted polycarbonate sheets over the outside of two of the windows, and am ventilating the gap between. This is proving very effective at drying the sashes...
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    New(ish) sash windows - maintenance / refurb / repair.

    Thanks Doug. Yes, my windows (rebate) is definitely the sealed type. My critical question is whether the sealing of the bead to the glass failed because: 1) No gap between DGU and frame - expansion issues(?) 2) Bead too small - unsupported(?), lack of meaningful pin(?) 3) Wrong sealant -...
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    New(ish) sash windows - maintenance / refurb / repair.

    Thanks Doug Pics now posted. Very ugly. :-( Website very useful - great reading, cheers. D
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    New(ish) sash windows - maintenance / refurb / repair.

    ....and thank you also for your second post. Understood re thinner DGU and bigger bead. However, don't understand the idea of the 5 x 5 rebate. Is this in the right angle corner of the bead (where bead, glass and frame all meet)? Or maybe at the thin part of the bead - giving a visible 5x5...
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    New(ish) sash windows - maintenance / refurb / repair.

    ...and the inside of the bead. you can make out the rebate (where little sealant) and the air pockets. (and the algae). 😩
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    New(ish) sash windows - maintenance / refurb / repair.

    ...and the drawing. Not sure how often you’d get that!!!
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    New(ish) sash windows - maintenance / refurb / repair.

    And some pics..... Bottom rail, external view(!) with and without bead.
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    New(ish) sash windows - maintenance / refurb / repair.

    Thanks - Robin' - I suspect your opening two opinions are only too true. The parting and staff beads all appear to be s/w, and finished poorly - maybe just primed / u/c - certainly not to the same finish to the h/w shop built and sprayed frames (so corners cut at install?). And yes - small...
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    New(ish) sash windows - maintenance / refurb / repair.

    Thanks Jacob. What do you mean by make do and mend?
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    New(ish) sash windows - maintenance / refurb / repair.

    Hi all. I have lots of Sash windows installed about 10 years ago - hardwood frames / sashes with double glazed 4/16/4 units in a 30mm rebate with a 6 x 16mm external bead. Seems like the design was badly flawed because the sealing between the bead and the glass has failed on most windows...
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